Note 6 - Leases and Other Commitments and Contingencies - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Operating lease costs	$ 161	$ 165	$ 491	$ 497
Amortization of right-of use assets	0	0	0	24
Interest on operating lease liabilities	0	0	0	2
Total finance lease cost	0	0	0	26
Unrelated Party [Member]
Operating lease costs	20	24	67	73
Amortization of right-of use assets	0	0	0	24
Interest on operating lease liabilities	0	0	0	2
Total finance lease cost	0	0	0	26
Vitamin Realty LLC [Member]
Operating lease costs	141	141	424	424
Amortization of right-of use assets	0	0	0	0
Interest on operating lease liabilities	0	0	0	0
Total finance lease cost	$ 0	$ 0	$ 0	$ 0